Question about peering

Justin Wilson lists at mtin.net
Thu May 10 14:23:16 UTC 2012


	We are cross-connected with several ISPs at a couple of data centers.
Very helpful in one situation as several of us share a soft-switch.

	Justin

-----Original Message-----
From: Rob Szarka <szlists at szarka.org>
Date: Wednesday, May 9, 2012 4:50 PM
To: <nanog at nanog.org>
Subject: Re: Question about peering

>On 4/6/2012 3:11 PM, Anurag Bhatia wrote:
>> I am curious to know how small ISPs plan peering with other interested
>> parties. E.g if ISP A is connected to ISP C via big backbone ISP B, and
>>say
>> A and C both have open peering policy and assuming the exist in same
>> exchange or nearby. Now at this point is there is any "minimum
>>bandwidth"
>> considerations? Say if A and C have 1Gbps + of flowing traffic - very
>> likely peering would be good idea to save transit costs to B. But if A
>>and
>> C have very low levels - does it still makes sense? Does peering costs
>> anything if ISPs are in same exchange? Does at low traffic level it
>>makes
>> more sense to keep on reaching other ISPs via big transit provider?
>
>One thing to consider is that peering can benefit both networks not just
>because of bandwidth savings, but because (given sufficient clue) they
>can deliver better performance and reliability to their mutual customers.
>
>






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